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Pagell, R.A.: ¬The virtual reference librarian : using desktop videoconferencing for distance reference (1996)
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Rowland, F.; McNab, A.: Electronic media and the Internet (1997)
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Trigari, M.: Tutti i colori dell'Iride (1995)
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Hainebach, R.: European Community databases : a subject analysis (1992)
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Cutright, P.J.: Applying innovative technology to the needs of the distant learner (1993)
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